9. Flight Controls

Question 1

Control Wheel and Column

1. Pitch Trim Switches

• on the ground, _______ moves the stabilizer
• in the air in normal mode, changes the trim ______________
• in the air in the secondary and direct modes, ________ moves the
  stabilizer

Answer 1

1. Pitch Trim Switches

• on the ground, directly moves the stabilizer
• in the air in normal mode, changes the trim reference airspeed
• in the air in the secondary and direct modes, directly moves the
  stabilizer

Question 2

Control Wheel and Column

3. Control Column

Push/pull – commands the airplane to pitch in the desired direction:
- in the normal mode, deflects the __________ and ___________
- in the secondary and direct modes, deflects the __________

Answer 2

Push/pull – commands the airplane to pitch in the desired direction:
- in the normal mode, deflects the elevator and horizontal stabilizer
- in the secondary and direct modes, deflects the elevator

Question 3

Stabilizer Trim System

Displays actual stabilizer position in ____ increments from ____ to _____ units of trim flaps down on the ground, and _____ to _____ units flaps up and in the air.
Corresponding pointer position is shown on the ND/NU (nosedown/nose up) scale.

Answer 3

Displays actual stabilizer position in 0.25 increments from 0.25 to 16.75 units of trim flaps down on the ground, and 1.50 to 16.75 units flaps up and in the air.
Corresponding pointer position is shown on the ND/NU (nosedown/nose up) scale.

Question 4

Stabilizer Trim System

3. Takeoff Trim Green Band

A default green band is shown from _ to _ units of trim prior to performance data being entered into the FMC.

Answer 4

A default green band is shown from 4 to 9 units of trim prior to performance data being entered into the FMC.

Question 5

Rudder Trim Control

1. RUDDER TRIM Indicator

Digital readout displays rudder position in ___ increments from ___ to ___ unit and in ___ increments between ___ and ____ units of trim.

Answer 5

1. RUDDER TRIM Indicator

Digital readout displays rudder position in 0.2 increments from 0.0 to 1.0 unit and in 0.5 increments between 1.0 and 17.0 units of trim.

Question 6

Flap System
Flap Controls

1. Flap Lever
   Primary mode – positions the slats and flaps _______cally.

Secondary mode – positions the slats and flaps ________cally and/or _____cally when the primary mode fails.

Answer 6

1. Flap Lever
   Primary mode – positions the slats and flaps hydraulically.

Secondary mode – positions the slats and flaps hydraulically and/or electrically when the primary mode fails.

Question 7

Flap System
Flap Controls

2. Flap Gates
   Flap 1 – prevents inadvertent retraction of the slats.
   Flap 20 – prevents inadvertent retraction of the flaps past the go–around position.

Answer 7

2. Flap Gates
   Flap 1 – prevents inadvertent retraction of the slats.
   Flap 20 – prevents inadvertent retraction of the flaps past the go–around position.

Question 8

Flap System
Flap Controls

3. Alternate Flaps Arm (ALTN FLAPS ARM) Switch
   Push (ALTN displayed) –
   - arms the alternate flap control mode
   - arms the alternate flaps selector
   - disables primary and secondary flap/slat mode operation
   - asymmetry/skew and uncommanded motion protection, slat autogap, and flap/slat load relief are ________
   - the flap lever is ________

Answer 8

3. Alternate Flaps Arm (ALTN FLAPS ARM) Switch
   Push (ALTN displayed) –
   - arms the alternate flap control mode
   - arms the alternate flaps selector
   - disables primary and secondary flap/slat mode operation
   - asymmetry/skew and uncommanded motion protection, slat autogap, and flap/slat load relief are not available
   - the flap lever is inoperative

Question 9

Flap System
Flap Controls

4. Alternate Flaps Selector
   RET – retraction is accomplished ____cally and sequenced so that full flap retraction occurs before the ____ begin to retract.
   OFF – alternate flaps are deactivated.
   EXT –
   - the slats and flaps are _____cally extended
   - maximum extension is flaps __, with the slats at the _______ position

Answer 9

4. Alternate Flaps Selector
   RET – retraction is accomplished electrically and sequenced so that full flap retraction occurs before the slats begin to retract.
   OFF – alternate flaps are deactivated.
   EXT –
   - the slats and flaps are electrically extended
   - maximum extension is flaps 20, with the slats at the midrange position

Question 10

Flap System
Flap Controls

1. Flap Limit Placard
   Flaps extended speed limits.

Flaps:
1
5
10
15
17
18
20
25
30

Answer 10

Flaps extended speed limits.

Flaps:
1 - 260K
5 - 240K
10 - 230K
15 - 220K
17 - 215K
18 - 215K
20 - 210K
25 - 190K
30 - 180K

Question 11

1 Flap Position (white)

UP – the slats and flaps are retracted.
1 – the _____ extend to the __________ position.

5, 10, 15, 17, 18, and 20 –
- the _____ remain in the __________ position
- the flaps extend to the commanded position

25 – the _____ extend to the _________________ position. The flaps ______ move.

30 – the flaps extend to the commanded position.

Answer 11

UP – the slats and flaps are retracted.
1 – the slats extend to the midrange position.

5, 10, 15, 17, 18, and 20 –
- the slats remain in the midrange position
- the flaps extend to the commanded position

25 – the slats extend to the fully extended position. The flaps do not move.

30 – the flaps extend to the commanded position.

Question 12

Expanded Flap and Slat Position Indication

If any flap/slat is ____________ or if control is in the __________ mode, slat and flap positions are shown independently

Answer 12

If any flap/slat is non–normal or if control is in the secondary mode, slat and flap positions are shown independently

Question 13

3. Alternate Flap and Slat Position Indications (white)

In the alternate mode, extension is limited to slats ________ and flaps __.

Answer 13

In the alternate mode, extension is limited to slats midrange and flaps 20.

Question 14

Flight Control Surfaces

Pitch control is provided by:
- ___ elevators
- a movable horizontal stabilizer

Roll control is provided by:
- ___ flaperons
- ___ ailerons
- ________ spoilers

Yaw control is provided by a single rudder.

Answer 14

Pitch control is provided by:
- two elevators
- a movable horizontal stabilizer

Roll control is provided by:
- two flaperons
- two ailerons
- fourteen spoilers

Yaw control is provided by a single rudder.

Question 15

During takeoff, the rudder becomes aerodynamically effective at approximately
__ knots.

Answer 15

During takeoff, the rudder becomes aerodynamically effective at approximately 60 knots.

Question 16

Flight Control Surfaces Lock

Flight control surfaces automatically unlock when groundspeed exceeds __ knots.

Answer 16

Flight control surfaces automatically unlock when groundspeed exceeds 40 knots.

Question 17

Flight Control System Normal Mode

Answer 17

Question 18

Flight Control System Secondary Mode

Answer 18

Question 19

Flight Control System Direct Mode

Answer 19

Question 20

Stabilizer Shutdown

If uncommanded stabilizer motion is sensed, the stabilizer channel that caused the motion is automatically shut down.

The EICAS advisory message
_______________ or _______________ is displayed.

Answer 20

The EICAS advisory message
STABILIZER L2 or STABILIZER R2 is displayed.

Question 21

Stabilizer Position Indication and Green Band Monitor

The EICAS indication is displayed on the ground at power-up and blanks when either of the following conditions are
satisfied:
- gear up for __ seconds, or
- __ seconds after liftoff

Answer 21

The EICAS indication is displayed on the ground at power-up and blanks when either of the following conditions are
satisfied:
- gear up for 10 seconds, or
- 60 seconds after liftoff

Question 22

Bank Angle Protection

Bank angle protection provides roll control wheel inputs when airplane bank angleexceeds the bank angle protection boundary of approximately __°.

Excessive bank angles are indicated on the PFD bank indicator. The indicator changes color to amber at bank angles exceeding __°.

Answer 22

Bank angle protection provides roll control wheel inputs when airplane bank angleexceeds the bank angle protection boundary of approximately 35°.

Excessive bank angles are indicated on the PFD bank indicator. The indicator changes color to amber at bank angles exceeding 35°.

Question 23

Rudder Trim

Manual trim inputs are
automatically zeroed during takeoff roll, when groundspeed exceeds 30 knots and further manual trim inputs are inhibited until _________.

Manual rudder trim is also
inhibited with the ___________ engaged (LAND 3) on approach.

Answer 23

Manual trim inputs are
automatically zeroed during takeoff roll, when groundspeed exceeds __ knots and further manual trim inputs are inhibited until in the air.

Manual rudder trim is also
inhibited with the autopilot yaw engaged (LAND 3) on approach.

Question 24

Spoilers

There are _ sets of spoilers, _ outboard and _ inboard of the flaperons, on the upper surface of each wing.

Failure of ___ or ___ spoiler panels in the air, or failure of ___ not down and locked spoiler panel on the ground, causes the EICAS advisory message SPOILERS to display. Failure of _____or more spoiler panels causes the EICAS
advisory message SPOILER PAIRS to display.

Answer 24

There are 7 sets of spoilers, 4 outboard and 3 inboard of the flaperons, on the upper surface of each wing.

Failure of one or two spoiler panels in the air, or failure of one not down and locked spoiler panel on the ground, causes the EICAS advisory message SPOILERS to display. Failure of three or more spoiler panels causes the EICAS
advisory message SPOILER PAIRS to display.

Question 25

Spoiler Speedbrake Operation When the speedbrake lever is not in the ARMED position, the spoilers still automatically extend and the speedbrake lever is driven to the UP position when either of the following conditions occur: - on the ground with groundspeed above __ knots, either thrust lever was previously in the ______ range, then both thrust levers are moved to the idle range (rejected takeoff), or; - on the ground and both thrust reverse levers are moved to the reverse ____ detent.

Answer 25

When the speedbrake lever is not in the ARMED position, the spoilers still automatically extend and the speedbrake lever is driven to the UP position when either of the following conditions occur: - on the ground with groundspeed above 85 knots, either thrust lever was previously in the takeoff range, then both thrust levers are moved to the idle range (rejected takeoff), or; - on the ground and both thrust reverse levers are moved to the reverse idle detent.

Question 26

Flaps and Slats The airplane has an inboard and an outboard flap on the trailing edge of each wing and ___ inboard and ____ outboard slats on the leading edge. Flaps _, __, __, __, __, and __ are takeoff flap positions. Flaps __ and __ are landing flaps positions. To protect against inadvertent deployment during cruise, flap and slat extension from the UP position is inhibited when speed is more than ___ KIAS or altitude is above approximately _______ ft.

Answer 26

The airplane has an inboard and an outboard flap on the trailing edge of each wing and one inboard and five outboard slats on the leading edge. Flaps 5, 10, 15, 17, 18, and 20 are takeoff flap positions. Flaps 25 and 30 are landing flaps positions. To protect against inadvertent deployment during cruise, flap and slat extension from the UP position is inhibited when speed is more than 260 KIAS or altitude is above approximately 20,000 ft.

Question 27

Flap and Slat Sequencing The flaps and slats sequence so that the ____ extend first and retract last.

Answer 27

The flaps and slats sequence so that the slats extend first and retract last.

Question 28

Flap and Slat Sequencing Starting from flaps UP, selection of flaps _ commands the slats to move to the middle position. The flaps remain retracted. Selection of the flaps _, __, __, __, __, and __ positions commands the flaps to move to the position selected. The slats remain in the middle position. Selection of flaps __ commands the slats to move to the fully extended position. The flaps do not move. Selection of flaps __ commands the flaps to extend to the primary landing position.

Answer 28

Starting from flaps UP, selection of flaps 1 commands the slats to move to the middle position. The flaps remain retracted. Selection of the flaps 5, 10, 15, 17, 18, and 20 positions commands the flaps to move to the position selected. The slats remain in the middle position. Selection of flaps 25 commands the slats to move to the fully extended position. The flaps do not move. Selection of flaps 30 commands the flaps to extend to the primary landing position.

Question 29

Flap/Slat Load Relief If flap airspeed placard limits are exceeded with the flaps in the __ through __ position, LOAD RELIEF is displayed and the flaps automatically retract to a safe position appropriate to the airspeed. Load relief retraction is limited to flaps _. Slat load relief is available in the secondary mode. If airspeed exceeds ___ KIAS with the slats fully extended, they retract to the middle position and LOAD RELIEF is displayed.

Answer 29

If flap airspeed placard limits are exceeded with the flaps in the 15 through 30 position, LOAD RELIEF is displayed and the flaps automatically retract to a safe position appropriate to the airspeed. Load relief retraction is limited to flaps 5. Slat load relief is available in the secondary mode. If airspeed exceeds 240 KIAS with the slats fully extended, they retract to the middle position and LOAD RELIEF is displayed.

Question 30

Slat Autogap At a high angle of attack, autogap fully extends the slats to increase the wing camber, thus increasing the lift and margin to stall. The slat autogap function is only available in _______ mode when the slats are in the ______ position and the airspeed is below ___ KIAS.

Answer 30

At a high angle of attack, autogap fully extends the slats to increase the wing camber, thus increasing the lift and margin to stall. The slat autogap function is only available in primary mode when the slats are in the middle position and the airspeed is below 240 KIAS.

Question 31

Slat Pregap In the secondary mode the system is too slow to respond to an autogap request, so a pregap function exists. The slats automatically move to the fully extended position from the middle position when the flap lever is not __ and airspeed is less than ___ KIAS.

Answer 31

In the secondary mode the system is too slow to respond to an autogap request, so a pregap function exists. The slats automatically move to the fully extended position from the middle position when the flap lever is not UP and airspeed is less than 240 KIAS.

Question 32

Cruise Flaps Cruise flaps is an automated function that improves the airplane’s cruise performance by symmetrically moving the flaps, ailerons, flaperons, and spoilers based on airplane parameters such as weight, airspeed and altitude. EICAS advisory message CRUISE FLAPS SYS is displayed if the system fails with the flaps in an increased drag condition. Cruise flaps are only available in the normal mode, above _______ ft, between ____ and ____ Mach.

Answer 32

Cruise flaps is an automated function that improves the airplane’s cruise performance by symmetrically moving the flaps, ailerons, flaperons, and spoilers based on airplane parameters such as weight, airspeed and altitude. EICAS advisory message CRUISE FLAPS SYS is displayed if the system fails with the flaps in an increased drag condition. Cruise flaps are only available in the normal mode, above 25,000 ft, between 0.54 and 0.87 Mach.

Question 33

Flap and Slat Asymmetry Detection The EICAS caution message _____ _____ and/or ______ _____ is annunciated.

Answer 33

The EICAS caution message FLAPS DRIVE and/or SLATS DRIVE is annunciated.